body,
html {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    background-color: #000000;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

#canvas {
    display: block;
    width: 100%;
    height: 100%;
}

#instructions {
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255, 255, 255, 0.7);
    font-size: 1.2rem;
    pointer-events: none;
    user-select: none;
    text-transform: uppercase;
    letter-spacing: 2px;
}